Use dot notation for JSON paths, and don't singularize plural field names in readme

Author: jpmckinney

README.md

@@ -6,7 +6,7 @@ This extension re-introduces the `documents` block to `milestones`, providing fi
 
 ## Guidance
 
-Publishers should consider that many consuming applications will only look at the `tender/documents`, `award/documents`, `contracts/documents` and `contracts/implementation/documents` section to access and display relevant documentation to users.
+Publishers should consider that many consuming applications will only look at the `tender.documents`, `awards.documents`, `contracts.documents` and `contracts.implementation.documents` section to access and display relevant documentation to users.
 
 Document titles, document types, and descriptions can be used to indicate to human readers the particular nature of the documents and any milestones they relate to.